Bathtub



FIG. 1 is a top plan view of a bathtub showing my new design;

FIG. 2 is a top plan view of a second embodiment thereof;

FIG. 3 is a front elevational view of FIG. 1;

FIG. 4 is a rear elevational view of FIG. 1;

FIG. 5 is a right side elevational view of FIG. 1;

FIG. 6 is a left side elevational view of FIG. 1;

FIG. 7 is a top plan view of a third embodiment thereof;

FIG. 8 is a top plan view of a fourth embodiment thereof;

FIG. 9 is a front elevational view of FIG. 7;

FIG. 10 is a rear elevational view of FIG. 7;

FIG. 11 is a right side elevational view of FIG.7;

FIG. 12 is a left side elevational view of FIG. 7;

FIG. 13 is a top plan view of a fifth embodiment thereof;

FIG. 14 is a top plan view of a sixth embodiment thereof;

FIG. 15 is a top plan view of FIG. 13;

FIG. 16 is a rear elevational view of FIG. 13;

FIG. 17 is a right side elevational view of FIG. 13; and,

FIG. 18 is a left side elevational view of FIG. 13. 

The ornamental design for bathtub, as shown and described. 